The changes of oxidant and anti-oxidant system of alveolar macrophage (AM ) of rats exposing to coal-quartz mixed dust were investigated in the developmental process of experimental anthracosilicosis.

利用染煤石英混合粉尘大鼠作为实验模型，研究在实验性大鼠煤矽肺形成过程中肺泡巨噬细胞氧化和抗氧化系统的改变。

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Furthermore, if the water ice was mixed in with rock and dust, it would be protected from evaporation.

此外，如果水冰与岩石和灰尘混合在一起，它就不会蒸发掉。

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Lulin, like all comets, isa clump of frozen gases mixed with dust.

鹿林彗星和其他彗星一样，是一堆冰气体和尘埃组成。

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The theory is that, after the Japanese learned about firearms from Portuguese traders in 1543, smoke mixed with the dust and chaos of battle forced samurai commanders to increase their visibility with elaborate headdresses.

WSJ: Dressed to Kill in Peacetime | Samurai! | Museum of Fine Arts, Boston | By Lee Lawrence

Reaction is understandably mixed, and it will be some time before the dust settles and the true economic impact of the Relief Act can be measured.

FORBES: Embrace the Chaos: What Entrepreneurs Should Remember in Wake of the Fiscal Cliff